In the sentences below use passive verb forms where possible

Давайте изменим предложенные предложения, используя пассивные формы глаголов там, где это возможно.

1. Our flight was delayed due to bad weather, so we had hours to spend at the airport.
2. We stood on the roof. (No passive form needed)
3. The planes were directed in and out by the radar.
4. Some frightening noises were heard by us.
5. A girl was in trouble. Shouts directed the police to the girl. (No passive form needed for "A girl was in trouble.")
6. The girl was chased by their dog around the airport.
7. We were worried by the delay.
8. A telegram was sent to her by us.
9. My sister was waiting for us. (No passive form needed)
10. She was told to give a phone call by us.
11. A public phone was found by us.
12. The money was put into the machine by him.
13. Nothing happened and the money was lost by us.
14. A miserable wait was experienced by us.

Таким образом, получилось применение пассивных конструкций для тех предложений, где это возможно.